work in progress: using browser.configurator for controlling portlets (?)

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1343 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/README.txt

@@ -160,7 +160,7 @@ We can also access slots that are not predefined:
 The View Configurator
 ---------------------
 
-A view configurator is a multiadapter for a content object that provides
+A view configurator is typically a multiadapter for a content object that provides
 a set of properties to be used for setting up special presentation
 characteristics of a page. Typical examples for such characteristics are
 
@@ -168,7 +168,7 @@ characteristics of a page. Typical examples for such characteristics are
 - the logo to show in the corner of the page
 
 The default configurator uses attribute annotations for retrieving view
-properties; that means that there could be form somewhere to edit those
+properties; that means that there could be a form somewhere to edit those
 properties and store them in the content object's annotations.
 
   >>> from zope.app.annotation.interfaces import IAttributeAnnotatable, IAnnotations
@@ -197,3 +197,12 @@ stored in the attribute annotations. So let's set a 'skinName' attribute:
   >>> controller.skinName.value
   'SuperSkin'
 
+Another way of providing view configurations is using a view configurator
+as a utility, this can be used for setting view properties by certain
+packages.
+
+  >>> from cybertools.browser.configurator import GlobalViewConfigurator
+  >>> component.provideUtility(GlobalViewConfigurator())
+
+  >>> gvc = component.getUtility(IViewConfigurator)
+

browser/configurator.py

@@ -40,6 +40,11 @@ class IViewConfigurator(Interface):
 
     viewProperties = Attribute('A sequence of IViewProperty objects')
 
+    def getActiveViewProperties(self):
+        """ Return a selection of this configurator's view properties
+            that are to be considered active in the current context.
+        """
+
 
 class IViewProperty(Interface):
 
@@ -78,6 +83,16 @@ class ViewConfigurator(object):
         propDefs = ann.get(ANNOTATION_KEY, {})
         return [self.setupViewProperty(prop, propDef)
                     for prop, propDef in propDefs.items() if propDef]
+        # idea: include properties from GlobalViewConfigurator;
+        # there also may be other view configurators e.g. based on
+        # the class (or some sort of type) of the context object.
+        # Also the view properties may be filtered by permission
+        # or other conditions.
+        # Note: collecting configurators may be solved by getting
+        # multiple configurators (+ utilities) in the controller!
+
+    def getActiveViewProperties(self):
+        return self.viewProperties
 
     def setupViewProperty(self, prop, propDef):
         vp = zapi.queryMultiAdapter((self.context, self.request),
@@ -89,6 +104,19 @@ class ViewConfigurator(object):
         return vp
 
 
+class GlobalViewConfigurator(object):
+    """ A global utility that allows the registration of view properties.
+    """
+
+    implements(IViewConfigurator)
+
+    def __init__(self):
+        self.viewProperties = []
+
+    def getActiveViewProperties(self):
+        return self.viewProperties
+
+
 class ViewProperty(object):
 
     implements(IViewProperty)
@@ -117,5 +145,6 @@ class MacroViewProperty(object):
     def setParams(self, params):
         params = dict(params)
         self.name = params.pop('name', '')
+        self.identifier = params.pop('identifier', name)
         self.template = params.pop('template', None)
         self.params = params

browser/controller.py

@@ -22,7 +22,7 @@ Controller for views, templates, macros.
 $Id$
 """
 
-from zope.app import zapi
+from zope import component
 from zope.app.pagetemplate import ViewPageTemplateFile
 from zope.cachedescriptors.property import Lazy
 
@@ -52,12 +52,19 @@ class Controller(object):
         return self.request.URL[0] + skinSetter + '/@@/'
 
     def configure(self):
-        configurator = zapi.queryMultiAdapter((self.context, self.request),
+        #configurator = component.queryMultiAdapter((self.context, self.request),
+        #                                           IViewConfigurator)
+        # idea: collect multiple configurators:
+        configurators = component.getAdapters((self.context, self.request),
                                               IViewConfigurator)
-        if configurator is not None:
-            for item in configurator.viewProperties:
+        for conf in configurators:
+            configurator = conf[1]
+        #if configurator is not None:
+            #for item in configurator.viewProperties:
+            for item in configurator.getActiveViewProperties():
                 if IMacroViewProperty.providedBy(item):
-                    self.macros.register(item.slot, item.template, item.name,
+                    self.macros.register(item.slot, item.idenitifier,
+                                         item.template, item.name,
                                          **item.params)
                 else:
                     setattr(self, item.slot, item)

browser/liquid/base.css

@@ -25,9 +25,9 @@ body {
 
 #global,#footer {width:100%}
 #menu,#content,#sub-section {float:left}
-#menu {width:18%}
-#content {width:67%}
-#sub-section {width:15%}
+#menu {width:20%}
+#content {width:63%}
+#sub-section {width:17%}
 #footer {clear:left}
 
 /* more general stuff */

container/contents.pt

@@ -101,7 +101,6 @@
                      tal:attributes="href
                                  string:${url}/@@SelectedManagementView.html"
                      tal:content="item/id"
-                     i18n:translate=""
                      >foo</a
                   ><a href="#"
                      tal:attributes="href
@@ -120,12 +119,10 @@
                                  string:${request/URL}?retitle_id=${id_quoted}"
                  tal:condition="item/retitleable"
                  tal:content="item/title|default"
-                 i18n:translate=""
                  >&nbsp;&nbsp;&nbsp;&nbsp;</a>
               <span
                  tal:condition="item/plaintitle"
                  tal:content="item/title|default"
-                 i18n:translate=""
                  >&nbsp;&nbsp;&nbsp;&nbsp;</span>
             </td>